From c5f5c67e005c2e54ed48f18ac49c2dc9a85c3751 Mon Sep 17 00:00:00 2001
From: Suyeon Hwang <stom.hwang@samsung.com>
Date: Fri, 22 Dec 2017 19:53:24 +0900
Subject: [PATCH] Add code to check null parameter and throw exception

Change-Id: I543f69f4537290040b4a49d01f06521227036c80
Signed-off-by: Suyeon Hwang <stom.hwang@samsung.com>
---
 .../Tizen.Uix.VoiceControl/VoiceCommandList.cs                      | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/Tizen.Uix.VoiceControl/Tizen.Uix.VoiceControl/VoiceCommandList.cs b/src/Tizen.Uix.VoiceControl/Tizen.Uix.VoiceControl/VoiceCommandList.cs
index 8573076..9f4308d 100755
--- a/src/Tizen.Uix.VoiceControl/Tizen.Uix.VoiceControl/VoiceCommandList.cs
+++ b/src/Tizen.Uix.VoiceControl/Tizen.Uix.VoiceControl/VoiceCommandList.cs
@@ -166,6 +166,9 @@ namespace Tizen.Uix.VoiceControl
         /// <exception cref="NullReferenceException">This will occur if the provided parameter is null.</exception>
         public void Add(VoiceCommand command)
         {
+            if (null == command) {
+                throw new NullReferenceException("Null Parameter Provided");
+            }
             ErrorCode error = VcCmdListAdd(_handle, command._handle);
             if (error != ErrorCode.None)
             {
@@ -196,6 +199,9 @@ namespace Tizen.Uix.VoiceControl
         /// <exception cref="NullReferenceException">This will occur if the provided parameter is null.</exception>
         public void Remove(VoiceCommand command)
         {
+            if (null == command) {
+                throw new NullReferenceException("Null Parameter Provided");
+            }
             ErrorCode error = VcCmdListRemove(_handle, command._handle);
             if (error != ErrorCode.None)
             {
-- 
2.7.4